✦ LIBER ✦

COMPARISON OF FINITE ELEMENT NON-LINEAR BEAM RANDOM RESPONSE WITH EXPERIMENTAL RESULTS

✍ Scribed by R.R Chen; C Mei; HF Wolfe

Publisher: Elsevier Science
Year: 1996
Tongue: English
Weight: 579 KB
Volume: 195
Category: Article
ISSN: 0022-460X
DOI: 10.1006/jsvi.1996.0458

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✦ Synopsis

A finite element formulation combined with the equivalent linearization technique and normal mode method is developed for the non-linear random response of beams subjected to acoustic and thermal loads applied simultaneously. To validate the present formulation and solution procedure, results are compared with the classical continuum solution and the Fokker-Planck-Kolmogorov equation solution. Comparison is also made with experimental data for a pre-stretched clamped beam. Random responses of thermally buckled simply supported beam, clamped beam and simply supported-clamped beam are presented. The comparison of the present simultaneously loaded response with the existing sequentially loaded results shows a significant difference between them.

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